A blood donation can mean the difference between life and death if you need a transfusion, and every year 4.5 million people do, according to the American Red Cross. One type of blood donation can be ...

Screening every donor for more than just blood type is a critical step to ensure the safety of both the donor and the recipient. While matching blood types is essential to prevent a potentially fatal ...

There’s more history in your blood types than you think, and it didn’t begin with humans. Here’s what we know about them, ...